Fountain-pen.



PATENTBD OCT. 25, 1904.

F. C. BROWN.

FOUNTAIN PEN.

APPLICATION FILED JAN. 11, 1904.

N0 MODEL.

UNTTED STATES Patented October k25, 1904. 1

FRANCIS O. BROWN, OF NEW YORK, N. Y.

FOUNTAIN-PEN.

SPECIFICATION forming part of Letters Patent No. 773,371, dated October25, 1904. Application led January 11, 190.4. Serial No. 188,460. (Nomodel.)

Uy invention also has reference to meansY for securing a steady iiow ofink.

In the accompanying' drawings I have shown a typical form of myinvention, Figure l beingl partly an outside view and partly alongitudinal section of the fountain-pen. Fig. 2 is a sectionalelevation of the forward portion of the pen. Fig. 3 is a perspectiveView showing two of the parts employed for projecting and retracting thepen-nib. Fig. 4 is a perspective view of a stop and guide which I preferto employ. Fig. 5 is a cross-section of the cap, taken on line 5 5 ofFig. l. Fig. 6 is a cross-section on line 6 6 of Fig. 2, and Fig. 7 is aplan of the brace forming part of the nib-holder.

The barrel of the pen may be made in any suitable manner-as, forinstance, in two sections A A, which vare connected by a screwthreadedplug A2, having a collar A2, which is iush with the adjacent ends of thebarrelsections A A. Between the rear end of this plug and a shoulder A3on the barrel-section Al is received loosely a ange or disk B, capableof rotating within the barrel. The plug A2 is lined interiorly with afilling' A2 of cork or like material adapted to produce a tight joint.Through the plug A2 extends movably a feed-bar O, provided at its rearend with a projection O', adapted to slide lengthwise in a suitableguideway of the section A--as, for instance, a slot A2. This projectionalso extends through a spiral slot B2 of a sleeve B', which sleeve isheld against longitudinal movement within the barrel that is capable ofrotating relatively thereto. In the particular construction shown thedisk B is made integral with the sleeve B, and the shoulder A3 and plugA2 hold the sleeve B against longitudinal movement, while the plug A2and its filling As form a tight joint around the feed-bar O, so that theink contained in the forward compartment cannot reach the rearcompartment4 containing' the feed-sleeve B'. It will be obvious that byrotating the Vsleeve B the feed-bar will be moved longitudinally of thebarrel. The forward end of the feedbar is adapted to carry a nib D. Forthis purpose said forward end is enlarged, as shown at O2, tosubstantially fit the contracted nozzle A5 on the forward barrel-sectionA. The nib-holder or ink-feeding device comprises an upper .member O3and a lower member OL, between which the nib I) is received, each ofthese members O2 O2 being slitted lengthwise, as shown at O2 O,respectively. Underneath the slit OG lies a tongue O2, preferably inclose proximity to said slit, and still farther below Iarrange aninclined brace O2, the forward end of which preferably engages the lowermember C4 in advance of the forward end of the tongue O7. This tongue'and the brace serve to hold a certain amount of ink in close proximityto the nib, and thus insure a steady flow of ink.

The brace may have a longitudinal rib O"l and lateral grooves O0. WhileI have shown only one tongue between the brace O8 and the lower memberO2, I might employ a greater number of tongues.

Any suitable device may be employed for rotating the sleeve B, so as toproject or retract the nib. I prefer, however, to employ the deviceshown in Figs. -1 and 3, where the rear end of the sleeve is representedas provided with slits B3 and a circumferential groove Bi, adapted toreceive a split ring E, which by its elasticity tends to contract. Thecap F is provided exteriorly at its closed end with a key formed by anaxial extension F', having laterally-projecting pins F2. As shown inFig. l, the extension F/ is adapted to tit into the sleeve B, and thepins F2 lit the slits at the end of said sleeve and engage the ring E.These slits are provided with lateral members B5, so that their shape isthat of a bayonetslot. It will be understood that the split ring E holdsthe pins F2 frictionally with sullicient force to prevent the accidentalseparation of the cap F from the barrel evenif the pen should be pointedupward while the pins F2 are in the longitudinal slits B: of the sleeveB. The cap when in the position illustrated by Fig. l forms a handle forturning the sleeve B', and thus advancing or retracting the pennib D. Inorder to prevent the nib D from coming in contact with the closed end ofthe cap F, l may provide the stop shown in Figs. 1 and t, which stopconsists of two collars G G', arranged to surround the barrel andconnected by longitudinal members G2, although one of them might besuliicient. The rear collar has an aperture G3, adapted to receive thepin C of the feed-bar C. Thus the stop will move in unison with thefeed-bar. lt will be observed that this stop is not a complete cylinder,but has openings between the bars G2, so that the user of the pen mayhold the barrel-section A between his lingers, and this he could not doif the stop formed a sleeve completely inclosing the barrel. The forwardcollar G serves as a stop proper for protecting the nib B against injuryby contact with the closed end of the cap F. For this purpose the saidcap and the stop G G G2 are made of such length that together they arelonger than the distance from the pin C/ to the point of the nib, sothat the open end of the cap will engage the front edge of the stop4that is, the collar Gwbefore the closed end of the cap can touch thepoint of the nib. The cap may be fastened to the forward end of thebarrel by means of the screw-thread F fitting' a screw-thread A of thenozzle A, and, if desired, the open end of the cap may be provided withlongitudinal slits F`1 and with a split ring H surrounding the splitportion and located in a groove of the cap, this structure beingsomewhat similar to that described with reference to the sleeve B andthe split ring E. lith this construction the cap will be held on thebarrel not only by the screw connection, but by a clamp-joint formed bythe elastic slitted portion in connection with the split ring G. Thescrew connection may be omitted.

As shown in Fig. 7, the brace C8 is reduced at its rear portion CX tofacilitate the passage of air. Fig. 6 shows that the said brace alsoforms a cover extending under the edges of the nib D, so as to concealthe lower or concave surface of the nib in its entire width. The pointof the nib is of course exposed. (See Figs. l and 2.)

What l claim as new, and desire to secure by Letters Patent, is-

1. In a fountain-pen, the combination with the barrel, thepen-carryingfeed-bar movable lengthwise of the barrel, and the operatingmember rotatably mounted in the barrel and connected with the feed-barto advance or retract the same` said operating' member being providedwith a slitted tubular rear end and with a split ring surroundingsaidslitted end, of a cap provided with a key consisting of an extensionarranged to lit into said split end of the operating member and alateral pin arranged to move in said slit.

Q. In a fountain-pen, the combination of the barrel, the pen-carryingfeed-bar movable lengthwise of the barrel, a rotatably-operating memberfor advancing or retracting the feed-bar, said operating member havingan elastic portion at its rear end, and a cap provided with a keyadapted to be clamped by said elastic portion of the operating member.

3. In a fountain-pen, the combination of the barrel having alongitudinal slot and a packing device in front of said slot, a pencarrying feed-bar movable lengthwise of the barrel and extending through saidpacking device, a pin carried by said feed-bar and projecting throughthe said slot of the barrel, and an open-work stop connected with saidpin and projecting forwardly therefrom on the outside of the barrel.

4. in a fountain-pen, the combination of the barrel having alongitudinal slot and an inl;- tight joint in front of said slot, apencarry ing feed-bar extending through said ink-tight joint and movablelengthwise of the barrel, a pin carried by said feed-bar and extendingthrough said slot of the barrel, a cap adapted to close the front end ofthe barrel, and an open-work stop connected with said pin and extendingforwardly therefrom on the outside of the barrel to prevent the end ofthe cap from engaging the point of the pen.

5. A cap for fountain-pens provided with slits at its open end and anelastic ring surrounding the slitted portion.

6. A cap for fountain-pens provided at its open end with slits and witha groove surrounding the slitted portion, and a split ring located insaid groove.

7. 1n a fountain-pen, a nib-holder comprising upper and lower members,between which the nib is adapted to be received, said members beingslitted longitudinally, a brace extending froin the forward end of thelower member to the body of the nib-holder, and an inl; holding memberlocated between said brace and the lower member.

8. In a fountain-pen, a nib-holder comprising an upper member and alower member adapted to receive the nib between them and slottedlengthwise, a tongue arranged adjacent to the slit of the lower member,and a brace arranged below said tongue.

9. In a fountain-pen, a nib-holder compris ing an upper member and alower member adapted to receive the nib between them and slittedlengthwise, a tongue arranged adjacent to the slit of the lower member,and a brace arranged below said tongue and engaging the lower member inadvance of the front end of the tongue.

IOO

IIO

IZO

l0. In a fountain-pen, tlie combination with the barrel, thepen-carrying feed-bar movable lengthwise of the barrel, and theoperating member rotatably mounted in the barrel and connected with thefeed-bar to advance or retract the same, said operating member beingprovided -with a spring, of a cap provided with a key arranged to engagesaid spring and to turn said operating member.

1l. In afountain-pen, the combination with the barrel, the pen-carryingfeed-bar movable lengthwise of the barrel, and the operating memberrotatably mounted in the barrel and connected with the feed-bar toadvance or retract the same, of a cap provided with a key ing under theedges of the nib so as to con- 2O ceal the lower or concave surface oftlie nib in its entire width. Y i

13. In a fountain-pen, a nib-holder provided with a member which formsabrace reduced at its rear portion to facilitate tlie passage of air. 25

' FRANCIS C. BROWN.

Witnesses:

JOHN LOTKA, EUGENE EBLE.

